ref: 7e4a89c1127e67ce0e8a2e2b41861d26d6fce4fe
dir: /codec/encoder/core/inc/wels_preprocess.h/
/*!
* \copy
* Copyright (c) 2011-2013, Cisco Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*
* \file wels_preprocess.h
*
* \brief interface of video pre-process plugins
*
* \date 03/15/2011
*
* \description : this class is designed as an interface to unify video pre-processing
* class implement sets such as denoise,colorspace conversion etc...
*
*************************************************************************************
*/
#ifndef WELS_PREPROCESS_H
#define WELS_PREPROCESS_H
#include "typedefs.h"
#include "picture.h"
#include "wels_const.h"
#include "IWelsVP.h"
#include "param_svc.h"
namespace WelsEnc {
typedef struct TagWelsEncCtx sWelsEncCtx;
typedef struct {
SPicture* pScaledInputPicture;
int32_t iScaledWidth[MAX_DEPENDENCY_LAYER];
int32_t iScaledHeight[MAX_DEPENDENCY_LAYER];
} Scaled_Picture;
typedef struct {
int64_t iMinFrameComplexity;
int64_t iMinFrameComplexity08;
int64_t iMinFrameComplexity11;
int32_t iMinFrameNumGap;
int32_t iMinFrameQp;
} SRefJudgement;
typedef struct {
SPicture* pRefPicture;
int32_t iSrcListIdx; //idx in h->spatial_pic[base_did];
bool bSceneLtrFlag;
unsigned char* pBestBlockStaticIdc;
} SRefInfoParam;
typedef struct TagVAAFrameInfo {
SVAACalcResult sVaaCalcInfo;
SAdaptiveQuantizationParam sAdaptiveQuantParam;
SComplexityAnalysisParam sComplexityAnalysisParam;
int32_t iPicWidth; // maximal iWidth of picture in samples for svc coding
int32_t iPicHeight; // maximal iHeight of picture in samples for svc coding
int32_t iPicStride; //luma
int32_t iPicStrideUV;
uint8_t* pRefY; //pRef
uint8_t* pCurY; //cur
uint8_t* pRefU; //pRef
uint8_t* pCurU; //cur
uint8_t* pRefV; //pRef
uint8_t* pCurV; //cur
int8_t* pVaaBackgroundMbFlag;
uint8_t uiValidLongTermPicIdx;
uint8_t uiMarkLongTermPicIdx;
ESceneChangeIdc eSceneChangeIdc;
bool bSceneChangeFlag;
bool bIdrPeriodFlag;
} SVAAFrameInfo;
typedef struct SVAAFrameInfoExt_t: public SVAAFrameInfo {
SComplexityAnalysisScreenParam sComplexityScreenParam;
SScrollDetectionParam sScrollDetectInfo;
SRefInfoParam sVaaStrBestRefCandidate[MAX_REF_PIC_COUNT];
SRefInfoParam sVaaLtrBestRefCandidate[MAX_REF_PIC_COUNT];
int32_t iNumOfAvailableRef;
int32_t iVaaBestRefFrameNum;
uint8_t* pVaaBestBlockStaticIdc;//pointer
uint8_t* pVaaBlockStaticIdc[16];//real memory,
} SVAAFrameInfoExt;
class CWelsPreProcess {
public:
CWelsPreProcess (sWelsEncCtx* pEncCtx);
virtual ~CWelsPreProcess();
static CWelsPreProcess* CreatePreProcess (sWelsEncCtx* pEncCtx);
virtual SPicture* GetCurrentOrigFrame (int32_t iDIdx) = 0;
public:
int32_t WelsPreprocessReset (sWelsEncCtx* pEncCtx, int32_t iWidth, int32_t iHeight);
int32_t AllocSpatialPictures (sWelsEncCtx* pCtx, SWelsSvcCodingParam* pParam);
void FreeSpatialPictures (sWelsEncCtx* pCtx);
int32_t BuildSpatialPicList (sWelsEncCtx* pEncCtx, const SSourcePicture* kpSrcPic);
int32_t AnalyzeSpatialPic (sWelsEncCtx* pEncCtx, const int32_t kiDIdx);
int32_t UpdateSpatialPictures (sWelsEncCtx* pEncCtx, SWelsSvcCodingParam* pParam, const int8_t iCurTid,
const int32_t d_idx);
int32_t GetRefFrameInfo (int32_t iRefIdx, bool bCurrentFrameIsSceneLtr, SPicture*& pRefOri);
void AnalyzePictureComplexity (sWelsEncCtx* pCtx, SPicture* pCurPicture, SPicture* pRefPicture,
const int32_t kiDependencyId, const bool kbCalculateBGD);
int32_t UpdateBlockIdcForScreen (uint8_t* pCurBlockStaticPointer, const SPicture* kpRefPic, const SPicture* kpSrcPic);
void UpdateSrcList (SPicture* pCurPicture, const int32_t kiCurDid, SPicture** pShortRefList,
const uint32_t kuiShortRefCount);
void UpdateSrcListLosslessScreenRefSelectionWithLtr (SPicture* pCurPicture, const int32_t kiCurDid,
const int32_t kuiMarkLongTermPicIdx, SPicture** pLongRefList);
protected:
bool GetSceneChangeFlag (ESceneChangeIdc eSceneChangeIdc);
virtual ESceneChangeIdc DetectSceneChange (SPicture* pCurPicture, SPicture* pRefPicture = NULL) = 0;
void InitPixMap (const SPicture* pPicture, SPixMap* pPixMap);
int32_t GetCurPicPosition (const int32_t kiDidx);
private:
int32_t WelsPreprocessCreate();
int32_t WelsPreprocessDestroy();
int32_t InitLastSpatialPictures (sWelsEncCtx* pEncCtx);
private:
int32_t SingleLayerPreprocess (sWelsEncCtx* pEncCtx, const SSourcePicture* kpSrc, Scaled_Picture* m_sScaledPicture);
void BilateralDenoising (SPicture* pSrc, const int32_t iWidth, const int32_t iHeight);
int32_t DownsamplePadding (SPicture* pSrc, SPicture* pDstPic, int32_t iSrcWidth, int32_t iSrcHeight,
int32_t iShrinkWidth, int32_t iShrinkHeight, int32_t iTargetWidth, int32_t iTargetHeight,
bool bForceCopy);
void VaaCalculation (SVAAFrameInfo* pVaaInfo, SPicture* pCurPicture, SPicture* pRefPicture, bool bCalculateSQDiff,
bool bCalculateVar, bool bCalculateBGD);
void BackgroundDetection (SVAAFrameInfo* pVaaInfo, SPicture* pCurPicture, SPicture* pRefPicture, bool bDetectFlag);
void AdaptiveQuantCalculation (SVAAFrameInfo* pVaaInfo, SPicture* pCurPicture, SPicture* pRefPicture);
void Padding (uint8_t* pSrcY, uint8_t* pSrcU, uint8_t* pSrcV, int32_t iStrideY, int32_t iStrideUV,
int32_t iActualWidth, int32_t iPaddingWidth, int32_t iActualHeight, int32_t iPaddingHeight);
void SetRefMbType (sWelsEncCtx* pCtx, uint32_t** pRefMbTypeArray, int32_t iRefPicType);
int32_t ColorspaceConvert (SWelsSvcCodingParam* pSvcParam, SPicture* pDstPic, const SSourcePicture* kpSrc,
const int32_t kiWidth, const int32_t kiHeight);
void WelsMoveMemoryWrapper (SWelsSvcCodingParam* pSvcParam, SPicture* pDstPic, const SSourcePicture* kpSrc,
const int32_t kiWidth, const int32_t kiHeight);
/*!
* \brief exchange two picture pData planes
* \param ppPic1 picture pointer to picture 1
* \param ppPic2 picture pointer to picture 2
* \return none
*/
void WelsExchangeSpatialPictures (SPicture** ppPic1, SPicture** ppPic2);
SPicture* GetBestRefPic (EUsageType iUsageType, bool bSceneLtr, EWelsSliceType eSliceType, int32_t kiDidx,
int32_t iRefTemporalIdx);
SPicture* GetBestRefPic (const int32_t kiDidx, const int32_t iRefTemporalIdx);
protected:
IWelsVP* m_pInterfaceVp;
sWelsEncCtx* m_pEncCtx;
uint8_t m_uiSpatialLayersInTemporal[MAX_DEPENDENCY_LAYER];
private:
Scaled_Picture m_sScaledPicture;
SPicture* m_pLastSpatialPicture[MAX_DEPENDENCY_LAYER][2];
bool m_bInitDone;
uint8_t m_uiSpatialPicNum[MAX_DEPENDENCY_LAYER];
protected:
/* For Downsampling & VAA I420 based source pictures */
SPicture* m_pSpatialPic[MAX_DEPENDENCY_LAYER][MAX_REF_PIC_COUNT + 1];
// need memory requirement with total number of num_of_ref + 1, "+1" is for current frame
int32_t m_iAvaliableRefInSpatialPicList;
};
class CWelsPreProcessVideo : public CWelsPreProcess {
public:
CWelsPreProcessVideo (sWelsEncCtx* pEncCtx) : CWelsPreProcess (pEncCtx) {};
virtual SPicture* GetCurrentOrigFrame (int32_t iDIdx);
virtual ESceneChangeIdc DetectSceneChange (SPicture* pCurPicture, SPicture* pRefPicture = NULL);
};
class CWelsPreProcessScreen : public CWelsPreProcess {
public:
CWelsPreProcessScreen (sWelsEncCtx* pEncCtx) : CWelsPreProcess (pEncCtx) {};
virtual SPicture* GetCurrentOrigFrame (int32_t iDIdx);
virtual ESceneChangeIdc DetectSceneChange (SPicture* pCurPicture, SPicture* pRefPicture = NULL);
private:
SPicture** GetReferenceSrcPicList(int32_t iTargetDid);
void GetAvailableRefListLosslessScreenRefSelection (SPicture** pSrcPicList, uint8_t iCurTid,
const int32_t iClosestLtrFrameNum,
SRefInfoParam* pAvailableRefList, int32_t& iAvailableRefNum, int32_t& iAvailableSceneRefNum);
void GetAvailableRefList (SPicture** pSrcPicList, uint8_t iCurTid, const int32_t iClosestLtrFrameNum,
SRefInfoParam* pAvailableRefList, int32_t& iAvailableRefNum, int32_t& iAvailableSceneRefNum);
void InitRefJudgement (SRefJudgement* pRefJudgement);
bool JudgeBestRef (SPicture* pRefPic, const SRefJudgement& sRefJudgement, const int64_t iFrameComplexity,
const bool bIsClosestLtrFrame);
void SaveBestRefToJudgement (const int32_t iRefPictureAvQP, const int64_t iComplexity, SRefJudgement* pRefJudgement);
void SaveBestRefToLocal (SRefInfoParam* pRefPicInfo, const SSceneChangeResult& sSceneChangeResult,
SRefInfoParam* pRefSaved);
void SaveBestRefToVaa (SRefInfoParam& sRefSaved, SRefInfoParam* pVaaBestRef);
};
}
#endif